- CA Department of Fish and Wildlife
- CA Department of Water Resources
- California State University. Northridge
- Caltrans
- Cartifact, Inc.
- City of Los Angeles
- City of San Fernando
- Colorado River Basin Regional Water Quality Control Board
- Council for Watershed Health
- Desert Landscape Conservation Cooperative
- Geographical Information Center – CSU Chico
- Global Ad Distribution, Inc.
- Los Angeles Department of Water and Power
- Newhall County Water District
- Rivers and Mountains Conservancy
- San Francisco Estuary Institute
- Santa Ana Regional Water Quality Control Board
- Santa Monica Mountains Conservancy
- Southern California Association of Governments (SCAG)
- Southern California Coastal Water Research Project
- State of California
- State Water Resources Control Board
- U.S. Bureau of Ocean Energy Management
- U.S. Fish and Wildlife Service
- U.S. Forest Service Region 3
- U.S. Geological Survey
- Valley Nonprofit Resources
- World Trade Center Los Angeles